Home / 762,922.80-1,144,384.20-629,953.20

Finding the Fourth Proportional to 762,922.80, 1,144,384.20 and 629,953.20

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Solution

The fourth proportional to 762,922.80, 1,144,384.20 and 629,953.20 is: 944,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,922.80 : 1,144,384.20 = 629,953.20 : x
  2. Step 2: Convert to fraction form
    762,922.80/1,144,384.20 = 629,953.20/x
  3. Step 3: Cross multiply
    762,922.80x = 1,144,384.20 × 629,953.20
  4. Step 4: Simplify right side
    762,922.80x = 720,908,488,819.44
  5. Step 5: Solve for x
    x = 720,908,488,819.44/762,922.80
  6. Step 6: Final answer
    x = 944,929.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.